Remove Client Accounts from SharpSpring
Go to the client's account and click on the settings icon in the bottom-left-hand of the screen
Click "User Accounts"
Click on the three dots to the right of the user and select "Deactivate"
Fill out the pop-up window
Click "Disable Account"
NOTE: You will only be able to do this until there is one user left. Leave the final user alone for now.